Re: Iterative interfacing between client and server [message #169947 is a reply to message #169936] |
Fri, 01 October 2010 04:15 |
Graham Hobbs
Messages: 42 Registered: September 2010
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On Thu, 30 Sep 2010 11:56:05 -0400, sheldonlg <sheldonlg> wrote:
> On 9/30/2010 11:52 AM, Graham Hobbs wrote:
>> On Wed, 29 Sep 2010 11:42:38 -0400, Graham Hobbs<ghobbs(at)cdpwise(dot)net>
>> wrote:
>>
>>> On Wed, 29 Sep 2010 07:17:14 -0700 (PDT), Captain Paralytic
>>> <paul_lautman(at)yahoo(dot)com> wrote:
>>>
>>>> On 29 Sep, 04:16, Graham Hobbs<gho...@cdpwise.net> wrote:
>>>> > On Mon, 27 Sep 2010 07:39:07 -0400, Jerry Stuckle
>>>> >
>>>> >
>>>> >
>>>> >
>>>> >
>>>> > <jstuck...@attglobal.net> wrote:
>>>> >> On 9/26/2010 10:06 PM, Graham Hobbs wrote:
>>>> >>> Hello,
>>>> >
>>>> >>> Am still new at this, need to understand a concept before I start
>>>> >>> coding. While the following is an over simplification, at the moment I
>>>> >>> am more concerned with a) 'can it be done', b) preparing a design
>>>> >>> document, so ..
>>>> >
>>>> >>> 1. my website will be driven by server pgm php1
>>>> >>> 2. client accesses the one page website
>>>> >>> 3. client enters/edits data in Forms ( to be javascript edited at
>>>> >>> client machine) then submits
>>>> >>> 4. pgm php1 receives the form data, passing it to a Windows cmd file
>>>> >>> (calling dozens of pgms) for further processing and returning data to
>>>> >>> php1
>>>> >>> 5. php1 then returns the same page to the client with mostly the same
>>>> >>> Form data but with additions and changes
>>>> >>> 6. client views the Form data
>>>> >>> 7. Repeat 3 thru 7 until client happy with results.
>>>> >
>>>> >>> So is my concept:
>>>> >>> - feasible?
>>>> >>> - reflects the way it's normally done (i.e. practical)?
>>>> >
>>>> >>> Please, thanks in advance
>>>> >>> Graham
>>>> >
>>>> >> It can be done. I don't think it's very practical, though.
>>>> >
>>>> > ---
>>>> > Thanks for your answers. So it can be done but my way is not the way
>>>> > to go:-(.
>>>> > not very practical - Jerry
>>>> > it is a bad idea - Shelly
>>>> > not that this makes this idea any better - Capt Para
>>>> >
>>>> > But am not a lot clearer on the 'best way'. Simplifying I hope,
>>>> > suppose a user accesses my one page website, s/he sees unpopulated
>>>> > fields (Forms?) for:
>>>> >
>>>> > Student Number
>>>> > First Name
>>>> > Surname
>>>> > Faculty
>>>> > Major
>>>> >
>>>> > So ..
>>>> > 1. The user enters Student Number, clicks Submit
>>>> > Server uses Student Number to access an sql table
>>>> > Server sends page with first name, surname, faculty, major populated
>>>> > goto 1.
>>>> >
>>>> > Is this a practical web application?
>>>> >
>>>> > Thanks again
>>>> > Graham
>>>>
>>>> So you are suggesting:
>>>> 1) User submits a request.
>>>> 2) Server supplies a response.
>>>>
>>>> This is what every web page in the world does and you are asking if
>>>> this is a practical web application.
>>>>
>>>> I'm sure you can work out that it is.
>>> ---
>>> Yes to your 1 and 2 and is very clear. That's half of what I asked..
>>> What I'm asking is 'can this be an iterative transaction'.
>>>
>>> When I program CICS transactions I give the user a screen, he enters a
>>> student number, a CICS pgm presents the results and sends a populated
>>> screen; user updates some fields clicks Enter, changes are made to the
>>> database, the same screen is represented with an 'update successful'
>>> msg, user makes more changes, enter, database update, represent screen
>>> etc. Then user enters anew student number and the same process occurs
>>> (or user logs off).
>>>
>>> Points are taken with respect to logon ID/password - more scope for my
>>> project.
>>>
>>> OK, maybe my original question might have been 'can I pgm in
>>> php/html/javascript to emulate such a CICS transaction'?
>>> Is this what is being suggested as impractical?
>> ---
>> CP, Jerry, Shelly,
>> CICS eh! Am starting to feel at home:-) .. likely you know too what
>> copybooks are? I will think to your comments especially about the
>> 'cics differences' and will bother you again shortly - sorry .
>> Graham
>>
>> P.S. Have googled, bought a php video tutorial, still not clear on
>> 'calls' so a side question if I may:
>>
>> Being able to call a windows cmd file from my driver php pgm is a MUST
>> for my project (enormously larger than the student record system I
>> used as illustration) .. but I believe I can call a windows cmd file
>> from php and something like this is possible:
>>
>> - block A of some php code
>> - 'call udogen.cmd aparm, bparm' (udogen contains many calls)
>> - block B of more php code e.g 'test return code'
>>
>> i.e. after udogen.cmd has run control returns to block B with a return
>> code.
>> This would work?
>
> exec or system. Those work on Unix. I have never used php of windows
> servers, but I imagine they would work the same way.
>
> Like I said, though, "not a good idea".
---
Why?
not being flippant, couldn't think of a longer winded response:-)
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